ASTR 101 -Astronomy test#1 questions with complete solutions
Light from the sun takes about 8 minutes to reach Earth. Saturn is about 10 astronomical units from the Sun how long does it take sunlight to reach Saturn? Correct Answer-Just a bit more than the length of astronomy class Approximately when does the full moon rise Correct Answer-Sunset The speed of light is 3x10 ^8 m/s. How far can light travel in a week (which is about 6x10^5 seconds)? Correct Answer-1.8x10^14 meters Approximately how long does it take the moon to orbit the Earth? Correct Answer-About a month In the winter the Earth's rotation axis points toward Polaris. In the summer the axis points toward Correct Answer-Polaris Between full moon and third quarter the Moon is in which stage? Correct Answer-Waning gibbous Astronauts experience the sensation of weightlessness because? Correct Answer-An astronaut's body follows precisely the same orbit as the spacecraft in which he/she is traveling
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astr 101 astronomy test1 questions with complete